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* block.c (struct_blkpg_partition): Change type of start and length
fields from long long to int64_t.
(print_blkpg_req): Print them using PRId64 format.
Provide SIZEOF_KERNEL_LONG_T macro in addition to SIZEOF_LONG and
SIZEOF_LONG_LONG for checking of kernel_long_t and kernel_ulong_t
types at the time of preprocessing.
* configure.ac (AC_CHECK_SIZEOF): Add kernel_long_t.
This function has never been used in the code, and in perspective
the whole ext_arg thing will go away.
* defs.h (getarg_ll): Remove prototype.
* util.c (getarg_ll): Remove.
This is the first step in the direction of revisiting current practice
of indiscriminate use of signed types for syscall arguments and memory
addresses.
* kernel_types.h (kernel_ureg_t): New type, typedef to unsigned long.
* defs.h (struct tcb): Change type of u_arg from long to kernel_ureg_t.
[HAVE_STRUCT_TCB_EXT_ARG]: Change type of ext_arg from long long
to unsigned long long.
* desc.c (decode_select): Change type of syscall arguments from long
to kernel_ureg_t.
(SYS_FUNC(oldselect)): Change type of select_args from long
to kernel_ureg_t.
* io.c (print_lld_from_low_high_val): Remove no longer needed cast
of syscall arguments to unsigned long.
* lseek.c (SYS_FUNC(lseek)): Cast syscall argument from unsigned long
to long.
* mem.c (print_mmap): Change type of syscall arguments from long
to kernel_ureg_t.
(SYS_FUNC(old_mmap), SYS_FUNC(old_mmap_pgoff)): Change type of u_arg
from long to kernel_ureg_t.
(SYS_FUNC(mmap), SYS_FUNC(mmap_pgoff), SYS_FUNC(mmap_pgoff)): Remove
no longer needed cast of syscall arguments to unsigned long.
* pathtrace.c (pathtrace_match): Change type of args and select_args
from long to kernel_ureg_t.
* util.c (getarg_ull): Remove no longer needed casts of syscall
arguments to unsigned types.
Use an unsigned type for syscall numbers as they are not intended
for signed arithmetics. Introduce kernel_scno_t as a typedef
to unsigned long, that could be changed later to kernel_ulong_t.
* kernel_types.h (kernel_scno_t): New type, typedef to unsigned long.
* defs.h (struct tcb): Change type of scno field from long
to kernel_scno_t.
(syscall_name): Change argument type from long to kernel_scno_t.
(scno_in_range, scno_is_valid): Change argument type from unsigned long
to kernel_scno_t.
* linux/aarch64/set_scno.c (arch_set_scno): Change scno argument type
from long to kernel_scno_t.
* linux/alpha/set_scno.c (arch_set_scno): Likewise.
* linux/arc/set_scno.c (arch_set_scno): Likewise.
* linux/arm/set_scno.c (arch_set_scno): Likewise.
* linux/avr32/set_scno.c (arch_set_scno): Likewise.
* linux/bfin/set_scno.c (arch_set_scno): Likewise.
* linux/crisv10/set_scno.c (arch_set_scno): Likewise.
* linux/hppa/set_scno.c (arch_set_scno): Likewise.
* linux/i386/set_scno.c (arch_set_scno): Likewise.
* linux/ia64/set_scno.c (arch_set_scno): Likewise.
* linux/m68k/set_scno.c (arch_set_scno): Likewise.
* linux/metag/set_scno.c (arch_set_scno): Likewise.
* linux/microblaze/set_scno.c (arch_set_scno): Likewise.
* linux/mips/set_scno.c (arch_set_scno): Likewise.
* linux/nios2/set_scno.c (arch_set_scno): Likewise.
* linux/or1k/set_scno.c (arch_set_scno): Likewise.
* linux/powerpc/set_scno.c (arch_set_scno): Likewise.
* linux/riscv/set_scno.c (arch_set_scno): Likewise.
* linux/s390/set_scno.c (arch_set_scno): Likewise.
* linux/sh/set_scno.c (arch_set_scno): Likewise.
* linux/sh64/set_scno.c (arch_set_scno): Likewise.
* linux/sparc/set_scno.c (arch_set_scno): Likewise.
* linux/tile/set_scno.c (arch_set_scno): Likewise.
* linux/x86_64/set_scno.c (arch_set_scno): Likewise.
* linux/xtensa/set_scno.c (arch_set_scno): Likewise.
* linux/aarch64/get_scno.c (arch_get_scno): Change scno variable type
from long to kernel_scno_t.
* linux/alpha/get_scno.c (arch_get_scno): Likewise.
* linux/arm/get_scno.c (arch_get_scno): Likewise.
* linux/sh/get_scno.c (arch_get_scno): Likewise.
* linux/x86_64/get_scno.c (arch_get_scno): Likewise.
* syscall.c (arch_set_scno): Likewise.
(shuffle_scno): Change return type from long to kernel_scno_t.
(syscall_name): Change argument type from long to kernel_scno_t.
* .travis.yml (after_success): Remove.
(matrix): Create an entry for the regular x86_64 target.
* travis-success.sh: Merge into ...
* travis-build.sh: ... this file. Disable optimization
for coverage builds.
* travis-install.sh: Rename COVERAGE=true to CHECK=coverage.
* xlat/pr_dumpable.in: New file.
* prctl.c: Include "xlat/pr_dumpable.h".
(SYS_FUNC(prctl)): Decode returned value of PR_GET_DUMPABLE operation
and the second syscall argument of PR_SET_DUMPABLE operation
as SUID_DUMP_* constants.
As new constants have been added gradually over kernel releases, define
all constant values to make newer constants decoded properly when strace
is built with older kernel headers.
* xlat/netlink_protocols.in: Add default values for constants.
* net.c [!NETLINK_SOCK_DIAG && NETLINK_INET_DIAG]: Remove.
* socketutils.c: Likewise.
* tests/sched_xetaffinity.c (errstr): New variable.
(getaffinity, setaffinity): Initialize it.
(main): Use it. Allow getaffinity return value to be less than
its cpusetsize argument.
Workaround a bug introduced in GNU grep 2.27, for details see
https://lists.gnu.org/archive/html/bug-grep/2016-12/msg00011.html
* tests/init.sh (grep_pid_status): New function.
* tests/detach-running.test: Use it instead of grep to search
in /proc/$pid/status.
* tests/detach-sleeping.test: Likewise.
* tests/detach-stopped.test: Likewise.
* strace.c (init) [USE_LIBUNWIND]: Call unwind_tcb_init after
unwind_init for all allocated tcb structures if stack trace is enabled.
* unwind.c (unwind_tcb_init): Skip if tcb is already initialized.
Co-authored-by: Dmitry V. Levin <ldv@altlinux.org>
* tests/fault_injection.sh: New file.
* tests/Makefile.am (EXTRA_DIST): Add it.
* tests/fault_injection-exit_group.test: Use it.
* tests/fault_injection.test: Likewise.
* tests/init.sh (kernel_version_code,
require_min_kernel_version_or_skip): New functions.
* tests/threads-execve.test: Use require_min_kernel_version_or_skip.
Commit dc427d50d9 enabled a number of extra
warning flags through configure.ac. The configure script will determine
dynamically if CC supports these flags before adding them to WARN_CFLAGS.
ioctlsort is compiled with CC_FOR_BUILD, rather than CC. Nevertheless,
the flags passed to this compilation also include WARN_CFLAGS (through
AM_CFLAGS). This is incorrect: in a cross-compilation use case, CC
and CC_FOR_BUILD are not the same. The former is the cross-compiler,
the latter is the host compiler. Both may be of different versions
and support different warning flags.
In particular, this posed a problem when cross-compiling with a host
compiler gcc 4.1, which does not support all the new flags:
/usr/bin/gcc -DHAVE_CONFIG_H -I./linux/arm -I./linux/arm -I./linux
-I./linux -I. -I. -I/host-sysroot/usr/include -Wall -Wempty-body
-Wformat-security -Wignored-qualifiers -Winit-self -Wlogical-op
-Wmissing-parameter-type -Wnested-externs -Wold-style-declaration
-Wold-style-definition -Wsign-compare -Wtype-limits -Wwrite-strings -O2
-I/host-sysroot/usr/include -DIOCTLSORT_INC=\"ioctls_all0.h\" -c -o
ioctlsort0.o ./ioctlsort.c
cc1: error: unrecognized command line option "-Wempty-body"
cc1: error: unrecognized command line option "-Wignored-qualifiers"
cc1: error: unrecognized command line option "-Wlogical-op"
cc1: error: unrecognized command line option "-Wmissing-parameter-type"
cc1: error: unrecognized command line option "-Wold-style-declaration"
cc1: error: unrecognized command line option "-Wtype-limits"
make[2]: *** [ioctlsort0.o] Error 1
* Makefile.am (AM_CFLAGS_FOR_BUILD, AM_CPPFLAGS_FOR_BUILD): New
variables.
(ioctlsort_CPPFLAGS): Use AM_CPPFLAGS_FOR_BUILD instead of AM_CPPFLAGS.
(ioctlsort_CFLAGS): Use AM_CFLAGS_FOR_BUILD instead of AM_CFLAGS.
(ioctlsort_LDFLAGS): Use AM_LDFLAGS_FOR_BUILD instead of AM_LDFLAGS.
* m4/ax_prog_cc_for_build.m4 (AX_PROG_CC_FOR_BUILD): Redirect
WARN_CFLAGS and gl_unknown_warnings_are_errors, call st_WARN_CFLAGS,
substitute WARN_CFLAGS_FOR_BUILD.
Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
* m4/warnings.m4 (gl_COMPILER_OPTION_IF): Change gl_Flags to use
_AC_LANG_PREFIX[]FLAGS in unquoted form. Change gl_Warn to use gl_Flags
instead of _AC_LANG_ABBREV. Change notification message to mention
the variable name of the compiler.
(gl_UNKNOWN_WARNINGS_ARE_ERRORS): Do nothing if
gl_unknown_warnings_are_errors is set.
(gl_WARN_ADD): Change the use of gl_UNKNOWN_WARNINGS_ARE_ERRORS from
AC_REQUIRE to a regular call.
Some of these variables cannot be redirected using traditional
pushdef/popdef mechanism because of complex constructions like
[ac_cv_[]_AC_LANG_ABBREV[]_compiler_gnu] employed by autoconf macros.
Use st_SAVE_VAR/st_RESTORE_VAR to workaround this issue.
* m4/ax_prog_cc_for_build.m4: Redirect ac_cv_prog_cc_stdc,
ac_cv_prog_cc_c11, ac_cv_prog_cc_c99, ac_cv_prog_cc_c89,
am_cv_prog_cc_c_o, and am_cv_CC_dependencies_compiler_type using
pushdef/popdef.
Redirect ac_c_decl_warn_flag, ac_c_preproc_warn_flag, ac_c_werror_flag,
ac_compile, ac_compiler_gnu, ac_cpp, ac_cv_c_compiler_gnu,
ac_cv_c_decl_report, and ac_link using st_SAVE_VAR/st_RESTORE_VAR.
This is going to be needed for the upcoming AX_PROG_CC_FOR_BUILD
change.
* configure.ac: Call st_WARN_CFLAGS before AX_PROG_CC_FOR_BUILD.
Move all gl_WARN_ADD calls ...
* m4/st_warn_cflags.m4: ... here.
Due to probabilistic nature of the test, try it several times.
* tests/threads-execve.c (NUMBER_OF_ITERATIONS): Change to 1.
* tests/threads-execve.test: Iterate up to 10 times.
If strace -ttt is running too long, it might happen that time stamps
before and after its invocation differ for more than a second.
Adjust expected output to handle this rare but possible case.
* tests/strace-ttt.test: Allow any time stamp between start and finish
of strace invocation.
If strace -tt is running too long, it might happen that time stamps
before and after its invocation differ for more than a second.
Adjust expected output to handle this rare but possible case.
* tests/strace-tt.test: Allow any time stamp between start and finish
of strace invocation.
Introduce a synchronization mechanism between the tracee and its peer.
* tests/redirect.test: Change timeout file to $OUT. Let the tracee
remove $LOG, wait for $LOG removal in its peer.
Introduce a synchronization mechanism between attach-f-p and strace.
* tests/attach-f-p-cmd.c: New file.
* tests/Makefile.am (check_PROGRAMS): Add attach-f-p-cmd.
* tests/attach-f-p.c: Include <sys/stat.h>.
(main): Write to stdout instead of descriptor 3. Wait for the peer
writing to stdout.
* tests/attach-f-p.test: Assume that ./attach-f-p-cmd works.
Use $OUT for expected output. Use attach-f-p-cmd for unlocking $OUT.
